Fix & Improve Update

[list] [*] Fixed various tutorial issues. [*] Improved saving and loading: [*] Products now stay in place properly. [*] No more products flying around when loading a game. [*] Loading is now smoother and more accurate. [*] Fixed a bug that could break the game when restocking. [*] Hands no longer go through walls after teleporting. [*] Improved card machine interaction: [*] Button presses now have a short delay to prevent mistakes. [*] Swiping the card feels more natural. [*] Added placement guides when setting up furniture. [/list]